Tidy up - Rename Base

Some Python class and packages need to be renamed
for a better compliance with the shared terminology
which provides a better understanding of Watcher
objects and components by every contributor.

This patchset add missing Base in class name

Partially implements: blueprint glossary-related-refactoring

Change-Id: I95a3e41fbd5fcd90a99d81c9cf278940f50c7732

watcher/decision_engine/planner/base.py

@@ -21,7 +21,7 @@ import six
 
 
 @six.add_metaclass(abc.ABCMeta)
-class Planner(object):
+class BasePlanner(object):
     @abc.abstractmethod
     def schedule(self, context, audit_uuid, solution):
         """The  planner receives a solution to schedule

watcher/decision_engine/planner/default.py

@@ -21,7 +21,7 @@ from oslo_log import log
 from enum import Enum
 from watcher.common.exception import MetaActionNotFound
 from watcher.common import utils
-from watcher.decision_engine.planner.base import Planner
+from watcher.decision_engine.planner.base import BasePlanner
 
 from watcher import objects
 
@@ -57,7 +57,7 @@ priority_primitives = {
 }
 
 
-class DefaultPlanner(Planner):
+class DefaultPlanner(BasePlanner):
     def create_action(self, action_plan_id, action_type, applies_to=None,
                       src=None,
                       dst=None,